Patents Examined by Roy King
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Patent number: 9963768Abstract: A method for manufacturing an amorphous alloy by using liquid pig iron is described. An exemplary embodiment provides a method for manufacturing an amorphous alloy, including providing liquid pig iron, adding an alloy material to the liquid pig iron, and solidifying the liquid pig iron.Type: GrantFiled: December 28, 2009Date of Patent: May 8, 2018Assignee: POSCOInventors: Sang-Ho Yi, Seung Dueg Choi, Seong Hoon Yi
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Patent number: 9931716Abstract: A solder alloy is a tin-silver-copper solder alloy substantially consisting of tin, silver, copper, bismuth, nickel, cobalt, and indium. With respect to the total amount of the solder alloy, the content ratio of the silver is 2 mass % or more and 5 mass % or less; the content ratio of the copper is 0.1 mass % or more and 1 mass % or less; the content ratio of the bismuth is 0.5 mass % or more and 4.8 mass % or less; the content ratio of the nickel is 0.01 mass % or more and 0.15 mass % or less; the content ratio of the cobalt is 0.001 mass % or more and 0.008 mass % or less; the content ratio of the indium is above 6.2 mass % and 10 mass % or less; and the content ratio of the tin is the remaining ratio.Type: GrantFiled: August 28, 2014Date of Patent: April 3, 2018Assignee: HARIMA CHEMICALS, INCORPORATEDInventors: Kazuki Ikeda, Kosuke Inoue, Kazuya Ichikawa, Tadashi Takemoto
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Patent number: 9920401Abstract: The present invention relates to an aluminum base alloy with high thermal conductivity, and more particularly, to an alloy for die casting that does not become brittle and has high thermal conductivity, so as to be easily used for LED lighting parts, and contains 0.2 to 2.0 wt % of Mg, 0.1 to 0.3 wt % of Fe, 0.1 to 1.0 wt % of Co, with the remainder being Al.Type: GrantFiled: July 14, 2010Date of Patent: March 20, 2018Assignee: SANGMOONInventors: Ho Sung Seo, Gi Dong Kang
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Patent number: 9896747Abstract: The present invention relates to an aluminum alloy having low density and enhanced heat resistance. An aluminum alloy having improved high temperature physical properties comprises: magnesium (Mg) in an amount of about 7 to about 11 wt %, silicon (Si) in an amount of about 4 to about 8 wt %, copper (Cu) in an amount of about 0.5 to about 2 wt % and manganese (Mn) in an amount of about 0.3 to about 0.7 wt %, and a balance of aluminum based on the total weight of the aluminum alloy. Vehicle parts such as a piston, a housing and/or a bed plate of high power engine, to which the aluminum alloy may be applied, are provided as well.Type: GrantFiled: September 24, 2014Date of Patent: February 20, 2018Assignee: Hyundai Motor CompanyInventor: Hee-Sam Kang
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Patent number: 9890437Abstract: This high-strength steel sheet contains, in mass %, 0.05 to 0.3% of C, 1 to 3% of Si, 0.5 to 3% of Mn, up to 0.1% (inclusive of 0%) of P, up to 0.01% (inclusive of 0%) of S, 0.001 to 0.1% of Al and 0.002 to 0.03% of N with the balance consisting of iron and unavoidable impurities, and has a microstructure which comprises, in area fraction relative to the microstructure, 40 to 85% of bainitic ferrite, 5 to 20% of retained austenite (?R), 10 to 50% (in total) of martensite and ?R, and 5 to 40% of ferrite. The retained austenite (?R) has a C concentration of 0.5 to 1.0 mass %, while the quantity of ?R present in the ferrite grains is 1% or more (in area fraction) relative to the microstructure.Type: GrantFiled: February 6, 2013Date of Patent: February 13, 2018Assignee: Kobe Steel, Ltd.Inventors: Elijah Kakiuchi, Toshio Murakami, Katsura Kajihara, Tatsuya Asai, Naoki Mizuta, Hideo Hata
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Patent number: 9890448Abstract: This relates to an aluminum alloy product, in particular an age-hardenable Al—Zn—Mg type alloy product for structural members, the alloy product combining a high strength with high toughness and reduced quench sensitivity, and having a chemical composition including, in wt. %: Zn about 3 to 11%, Mg about 1 to 3%, Cu about 0.9 to 3%, Ge about 0.03 to 0.4%, Si max. 0.5%, Fe max. 0.5%, balance aluminum and normal and/or inevitable elements and impurities. Furthermore, this relates to a method of producing such aluminum alloy products.Type: GrantFiled: November 19, 2014Date of Patent: February 13, 2018Assignee: ALERIS ALUMINUM KOBLENZ GMBHInventors: Shangping Chen, Linzhong Zhuang, Sunil Khosla, Hugo Van Schoonevelt, Andrew Norman, Achim Burger
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Patent number: 9890436Abstract: A cold rolled and hardened martensitic austenitic stainless steel strip for flapper valves in compressors is made from steel combining, in weight %(wt. %), the following elements: C: 0.3-0.5, Si: 0.2-0.8, Mn: 0.2-1.0, Cr: 12.0-15.0, Mo: 0.50-2.00, N: 0.02-0.15, and V: 0.01-0.20. The steel strip has a matrix consisting of tempered martensite and between 5 and 15 volume % austenite and a tensile strength (Rm) of 1970-2300 MPa. The steel strip has a thickness of 0.07-3 mm and a width of ?500 mm.Type: GrantFiled: December 8, 2015Date of Patent: February 13, 2018Assignee: VOESTALPINE PRECISION STRIP ABInventors: Chris Millward, Azhar Nawaz, Alexander Lof
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Patent number: 9878392Abstract: The system and method described herein generally pertains to generating a lead in profile that defines acceleration before a cutting velocity is achieved to perform a cutting operation and a lead out profile that defines deceleration after the cutting operation is performed. The lead in profile defines acceleration from approximately zero (0) to the cutting velocity within a duration of time in order to perform the cutting operation, wherein the lead in profile is calculated based on the cutting velocity or a type of material of the workpiece, a start location for the cutting operation, and a thickness of the workpiece. The lead out profile defines deceleration from the cutting operation to approximately zero (0) within a duration of time, wherein the lead out profile is calculated based on the cutting velocity or a type of material of the workpiece, an end location for the cutting operation, and a thickness of the workpiece.Type: GrantFiled: October 24, 2014Date of Patent: January 30, 2018Assignee: LINCOLN GLOBAL, INC.Inventor: Christopher Williams
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Patent number: 9863022Abstract: This H-beam steel has a composition including C, Si, Mn, Cu, Ni, V, Al, Ti, B, N, and O, and further including at least one of Mo and Nb, in which Ceq obtained in Equation 1 described below falls in a range of 0.37 to 0.50, the thickness of a flange falls in a range of 100 to 150 mm, and the area fraction of bainite at a depth of one quarter of the thickness of the flange from the external surface of the flange is 60% or more. Ceq=C+Mn/6+(Mo+V)/5+(Ni+Cu)/15??Equation 1, where C, Mn, Mo, V, Ni, and Cu represent the amount of each element contained.Type: GrantFiled: December 11, 2012Date of Patent: January 9, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kazutoshi Ichikawa, Masaki Mizoguchi, Kazuaki Mitsuyasu, Hirokazu Sugiyama
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Patent number: 9855665Abstract: A razor blade including a substrate with a cutting edge, the substrate includes a mixed nitride-substrate interregion disposed at or beneath a surface of the substrate, the mixed nitride-substrate interregion being substantially free of a compound layer.Type: GrantFiled: January 25, 2017Date of Patent: January 2, 2018Assignee: The Gillette Company LLCInventors: Krassimir Grigorov Marchev, John Madeira
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Patent number: 9856552Abstract: Heat treatable aluminum alloy strips and methods for making the same are disclosed. The heat treatable aluminum alloy strips are continuously cast and quenched, with optional rolling occurring before and/or after quenching. After quenching, the heat treatable aluminum alloy strip is neither annealed nor solution heat treated.Type: GrantFiled: February 22, 2013Date of Patent: January 2, 2018Assignee: ARCONIC INC.Inventors: Ralph R. Sawtell, John M. Newman, Thomas N. Rouns, Raymond J. Kilmer
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Patent number: 9859042Abstract: The application discloses a rare-earth permanent magnetic powder, a bonded magnet, and a device using the bonded magnet. The rare-earth permanent magnetic powder comprises 4 to 12 at. % of Nd, 0.1 to 2 at. % of C, 10 to 25 at. % of N and 62.2 to 85.9 at. % of T, wherein T is Fe or FeCo and the main phase of the rare-earth permanent magnetic powder is a hard magnetic phase with a TbCu7 structure. Material volatilization can be avoided effectively during a preparation process of the rare earth permanent magnetic powder, thus improving the wettability with a water-cooling roller during the preparation process and final prepared materials are provided with good magnetic properties.Type: GrantFiled: July 2, 2012Date of Patent: January 2, 2018Assignee: GRIREM ADVANCED MATERIALS CO., LTD.Inventors: Yang Luo, Hongwei Li, Dunbo Yu, Kuoshe Li, Wenlong Yan, Jiajun Xie, Shuai Lu
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Patent number: 9859026Abstract: An austenitic alloy tube subjected to a cold working and an annealing heat treatment contains C: 0.01% to 0.15%, Cr: 10.0% to 40.0%, Ni: 8.0% to 80.0%, in mass %, and has a metallographic structure satisfying the following Expressions (i) to (iii). R?f1??(i) R=I220/I111??(ii) f1=0.28×(F1118.0/(F1118.0+0.358.0))??(iii) Where, in the above Expressions, R is a ratio of an integrated intensity of {220} to an integrated intensity of {111} on a surface layer which is measured by a grazing incidence X-ray diffraction method, I220 is the integrated intensity of {220}, I111 is the integrated intensity of {111}, and F111 is full width of half maximum of {111} on the surface layer which is measured by the grazing incidence X-ray diffraction method.Type: GrantFiled: June 19, 2013Date of Patent: January 2, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Yumi Momozono, Mitsuharu Yonemura, Yasuhiro Masaki, Manabu Kanzaki
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Patent number: 9856961Abstract: In a differential apparatus component (ring gear-integrated with differential case 12), a differential case and a ring gear are formed integrally and seamlessly of cast steel. Cast Steel is preferably composed of 0.3 to 1.0% by mass of silicon (Si), 0.5 to 1.2% by mass of manganese (Mn), 0.1 to 0.5% by mass of vanadium (V), 0.01 to 0.05% by mass of tin (Sn), 0.1 to 1.5% by mass of chromium (Cr), 0.2 to 1.0% by mass of copper (Cu), and the rest composed of iron (Fe) and unavoidable impurities.Type: GrantFiled: October 22, 2014Date of Patent: January 2, 2018Assignee: AISIN TAKAOKA CO., LTD.Inventors: Zhong-zhi Zhang, Huaisheng Dai, Tomohiro Yamaguchi
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Patent number: 9859031Abstract: A rolled Cu—Ni—Si based copper alloy having excellent strength, electric conductivity, and bending coefficient is provided. The rolled copper alloy comprises 1.2 to 4.5% by mass Ni, 0.25 to 1.0% by mass Si, and the balance Cu with inevitable impurities. In the direction transverse to the rolling direction, the rolled copper alloy has a bending coefficient of 130 GPa or more and an electrical conductivity of 30% ICAS or more.Type: GrantFiled: February 15, 2013Date of Patent: January 2, 2018Assignee: JX Nippon Mining & Metals CorporationInventor: Hiroshi Kuwagaki
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Patent number: 9850560Abstract: A steel for wheel contains, in mass %, C: 0.65 to 0.84%, Si: 0.4 to 1.0%, Mn: 0.50 to 1.40%, Cr: 0.02 to 0.13%, S: 0.04% or less and V: 0.02 to 0.12%, wherein Fn1 expressed by formula (1) is 32 to 43, and Fn2 expressed by formula (2) is 25 or less, the balance being Fe and impurities. P, Cu and Ni as impurities are P: 0.05% or less, Cu: 0.20% or less and Ni: 0.20% or less: Fn1=2.7+29.5'C+2.9'Si+6.9'Mn+10.8'Cr+30.3'Mo+44.3'V?? (1) Fn2=exp(0.76)'exp(0.05'C)'exp(1.35'Si)'exp(0.38'Mn)'exp(0.77'Cr)'exp(3.0'Mo)'exp(4.6'V)??(2). The steel has excellent properties for use as a wheel.Type: GrantFiled: April 8, 2013Date of Patent: December 26, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Yuichiro Yamamoto, Yukiteru Takeshita, Kentaro Kiriyama, Takanori Kato
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Patent number: 9845519Abstract: Provided are: a boron-added high strength steel for bolt excellent in delayed fracture resistance even having a tensile strength of 1100 MPa or more without addition of large amounts of expensive alloy elements such as Cr and Mo: and a high strength bolt made from the boron-added high strength steel for bolt. The high strength steel for bolt contains C of 0.23% to less than 0.40%, Si of 0.23% to 1.50%, Mn of 0.30% to 1.45%, P of 0.03% or less (excluding 0%), S of 0.03% or less (excluding 0%), Cr of 0.05% to 1.5%, V of 0.02% to 0.30%, Ti of 0.02% to 0.1%, B of 0.0003% to 0.0050%, Al of 0.01% to 0.10%, and N of 0.002% to 0.010%, with the remainder being iron and inevitable impurities. The steel has a ratio ([Si]/[C]) of the Si content [Si] to the C content [C] of 1.0 or more and has a ferrite-pearlite mixed microstructure.Type: GrantFiled: February 5, 2013Date of Patent: December 19, 2017Assignee: Kobe Steel, Ltd.Inventors: Yosuke Matsumoto, Atsushi Inada, Masamichi Chiba
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Patent number: 9840750Abstract: A medium carbon steel sheet for cold working that has a hardness of 500 HV to 900 HV when subjected to high-frequency quenching and a quick cooling to a room temperature is carried out. The medium carbon steel sheet includes, by mass %, C: 0.30 to 0.60%, Si: 0.06 to 0.30%, Mn: 0.3 to 2.0%, P: 0.03% or less, S: 0.0075% or less, Al: 0.005 to 0.10%, N: 0.001 to 0.01%, and Cr: 0.001 to 0.10%, the balance composed of Fe and inevitable impurities. An average diameter d of a carbide is 0.6 ?m or less, a spheroidizing ratio p of the carbide is equal to or more than 70% and less than 90%, and the average diameter d (?m) of the carbide and the spheroidizing ratio p % of the carbide satisfy the expression d?0.04×p?2.6.Type: GrantFiled: September 22, 2011Date of Patent: December 12, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kengo Takeda, Masayuki Abe, Yasushi Tsukano, Takashi Aramaki, Shinichi Yamaguchi
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Patent number: 9840756Abstract: Embodiments relate to systems and methods for regenerating and recirculating a CO, H2 or combinations thereof utilized for metal oxide reduction in a reduction furnace. The reduction furnace receives the reducing agent, reduces the metal oxide, and generates an exhaust of the oxidized product. The oxidized product is transferred to a mixing vessel, where the oxidized product, a calcium oxide, and a vanadium oxide interact to regenerate the reducing agent from the oxidized product. The regenerated reducing agent is transferred back to the reduction furnace for continued metal oxide reductions.Type: GrantFiled: July 2, 2015Date of Patent: December 12, 2017Assignee: U.S. Department of EnergyInventors: Jinichiro Nakano, James P. Bennett, Anna Nakano
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Patent number: 9834828Abstract: Aluminum alloy components having improved properties. In one form, the cast alloy component may include about 0.6 to about 14.5 wt % silicon, 0 to about 0.7 wt % iron, about 1.8 about 4.3 wt % copper, 0 to about 1.22 wt % manganese, about 0.2 to about 0.5 wt % magnesium, 0 to about 1.2 wt % zinc, 0 to about 3.25 wt % nickel, 0 to about 0.3 wt % chromium, 0 to about 0.5 wt % tin, about 0.0001 to about 0.4 wt % titanium, about 0.002 to about 0.07 wt % boron, about 0.001 to about 0.07 wt % zirconium, about 0.001 to about 0.14 wt % vanadium, 0 to about 0.67 wt % lanthanum, and the balance predominantly aluminum plus any remainders. Further, the weight ratio of Mn/Fe is between about 0.5 and about 3.5. Methods of making cast aluminum parts are also described.Type: GrantFiled: April 30, 2014Date of Patent: December 5, 2017Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Herbert W. Doty